Linear vs logarithmic scales. 1  Human hearing is better measured on a logarithmic scale than a linear scale. 2  On a linear scale, a change between two values is perceived on the basis of the difference between the values.  On a logarithmic scale, a change between two values is perceived on the basis of the ratio of the two values.
Antimony has been known since ancient times. It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb 2 S 3) and valentinite (Sb 2 O 3). Nicolas Lemery, lÃ©mery A french, chemist was the first person to scientifically study antimony and its. compounds
Rare earth metal that proved to be a mixture of the elements holmium and samarium. Rf: Rutherfordium: 106 Proposed name for seaborgium. The symbol and name were instead used for element 104. Sa: Samarium: 62 Current symbol is Sm. So: Sodium: 11 Current symbol is Na. Sp: Spectrium: 70 Suggested name for ytterbium. St: Antimony: 51 Current symbol is Sb. Tn